134 



WARMAN 



J. W. Powell, geologist in charge. Report on the 

 geology of the eastern portion of the Uinta Mountains 

 and a region of country adjacent thereto. With atlas. 

 By. J. W. Powell. 



Washington : Government Printing Office. 1876,. 



218 pp., 4°. 



Types of orographic structure, p. 9; structural geology, 



P- 173- 



13. Types of orographic structure ; by Major J. W. Powell. 



In American Journal of Science and Arts for December, 

 1876, 3d series, vol. 12, pp. 414-428, New Haven, 1876, 

 8°. Describes eleven types ; same descriptions in No. 12. 



1878. 



14. Report on the methods of surveying the public domain, to 



the Secretary of the Interior, at the request of the Nat- 

 ional Academy of Sciences. By J. W. Powell, 1878. 



Washington : Government Printing Office. 1878. 



Cover, title, and pp. 3-16, 8°. 



The report is dated November i, 1S78, and treats of : the 

 unification of the work of surveying and mapping the terri- 

 tories ; cost of a geographical and geological survey ; zoology 

 and botany; ethnology. 



1880. 



15. [Remarks on the causes of the Glacial period.] 



In Philosophical Society of Washington, Bulletin, vol. 2, 

 pp. 44-45, Washington, 1 875-1 880, 8°. An abstract. 



This bulletin also forms a part of Smithsonian Miscel- 

 laneous Collections, vol. 20. 



16. Monoclinal ridges. 



In Philosophical Society of Washington, Bulletin, vol. 2, 

 pp. 74-75, Washington, 1875-1880, 8°. An abstract. 



See on pp. 79 and 85 of the same volume for an expres- 

 sion of opinion as to the thickness of the earth's crust. 



This Bulletin forms a part of Smithsonian Miscellaneous 

 Collections, vol. 20. 



17. Prefatory note [on the Colorado Plateaus] . By the Di- 



rector of the Survey. 



In United States Geographical and Geological Survey of 

 the Rocky Mountain Region: Dutton (C. E.), Report on 



